Skip to content

Navigation Menu

Sign in
Appearance settings

Search code, repositories, users, issues, pull requests...

Provide feedback

We read every piece of feedback, and take your input very seriously.

Saved searches

Use saved searches to filter your results more quickly

Appearance settings

Commit 96ed5c4

Browse filesBrowse files
committed
Merge pull request #5127 from ericmjl/mep12-cursor_demo.py
mep12 on cursor_demo.py
2 parents 620bdd8 + 0c5a303 commit 96ed5c4
Copy full SHA for 96ed5c4

File tree

Expand file treeCollapse file tree

1 file changed

+17
-15
lines changed
Open diff view settings
Filter options
Expand file treeCollapse file tree

1 file changed

+17
-15
lines changed
Open diff view settings
Collapse file

‎examples/pylab_examples/cursor_demo.py‎

Copy file name to clipboardExpand all lines: examples/pylab_examples/cursor_demo.py
+17-15Lines changed: 17 additions & 15 deletions
Original file line numberDiff line numberDiff line change
@@ -1,17 +1,19 @@
1-
#!/usr/bin/env python
21
# -*- noplot -*-
32

43
"""
5-
64
This example shows how to use matplotlib to provide a data cursor. It
75
uses matplotlib to draw the cursor and may be a slow since this
86
requires redrawing the figure with every mouse move.
97
108
Faster cursoring is possible using native GUI drawing, as in
11-
wxcursor_demo.py
9+
wxcursor_demo.py.
10+
11+
Also, mpldatacursor can be used to achieve a similar effect. See webpage:
12+
https://github.com/joferkington/mpldatacursor
1213
"""
1314
from __future__ import print_function
14-
from pylab import *
15+
import matplotlib.pyplot as plt
16+
import numpy as np
1517

1618

1719
class Cursor(object):
@@ -33,7 +35,7 @@ def mouse_move(self, event):
3335
self.ly.set_xdata(x)
3436

3537
self.txt.set_text('x=%1.2f, y=%1.2f' % (x, y))
36-
draw()
38+
plt.draw()
3739

3840

3941
class SnaptoCursor(object):
@@ -58,7 +60,7 @@ def mouse_move(self, event):
5860

5961
x, y = event.xdata, event.ydata
6062

61-
indx = searchsorted(self.x, [x])[0]
63+
indx = np.searchsorted(self.x, [x])[0]
6264
x = self.x[indx]
6365
y = self.y[indx]
6466
# update the line positions
@@ -67,16 +69,16 @@ def mouse_move(self, event):
6769

6870
self.txt.set_text('x=%1.2f, y=%1.2f' % (x, y))
6971
print('x=%1.2f, y=%1.2f' % (x, y))
70-
draw()
72+
plt.draw()
7173

72-
t = arange(0.0, 1.0, 0.01)
73-
s = sin(2*2*pi*t)
74-
fig, ax = subplots()
74+
t = np.arange(0.0, 1.0, 0.01)
75+
s = np.sin(2*2*np.pi*t)
76+
fig, ax = plt.subplots()
7577

76-
cursor = Cursor(ax)
77-
#cursor = SnaptoCursor(ax, t, s)
78-
connect('motion_notify_event', cursor.mouse_move)
78+
#cursor = Cursor(ax)
79+
cursor = SnaptoCursor(ax, t, s)
80+
plt.connect('motion_notify_event', cursor.mouse_move)
7981

8082
ax.plot(t, s, 'o')
81-
axis([0, 1, -1, 1])
82-
show()
83+
plt.axis([0, 1, -1, 1])
84+
plt.show()

0 commit comments

Comments
0 (0)
Morty Proxy This is a proxified and sanitized view of the page, visit original site.